They are living in a happy and perfect married life together. Everyday is full of love and happiness between, they are living in perfect marriage. But when circumstance arrives how strong they are to protect their relationship, to be together, how strong the love the feel for each other.

What if something happen that makes everything restart from the beginning?

this is the continuation of the story of Lee Donghae and Park Hyerin in "Hyung's little sister"

No one falls in love by choice, It is by chance.

 No one stays in love by chance, it is by work.

 And no one falls out of love by chance, It is by choice